Publicly accessible urban beach entertainment complex with a centerpiece man-made tropical-style lagoon and method for providing efficient utilization of limited use land

A publicly accessible urban beach entertainment complex, the complex comprising:

• a) a large centerpiece lagoon, the lagoon having a bottom, a perimeter, and a minimum surface area of at least 3,000 m2 to recreate a tropical lifestyle look and feel, and wherein the lagoon further includes:
• i. at least one bathing zone within the lagoon, wherein the bathing zone comprises a localized disinfection system;
• ii. at least one water sports zone located within the lagoon, the water sports zone comprising a water depth of at least 1.4 meters at its deepest point;
• b) at least one sand beach area and a rest area surrounding the perimeter of the lagoon, wherein the sand of the sand beach area has a light color thereby resembling a tropical beach;
• c) a water supply system, operatively connected to a water supply, for providing filling or make-up water for the lagoon;
• d) a water treatment system arranged and configured for treating the water in the lagoon wherein if the lagoon has a surface of less than about 20,000 m2, the water treatment system comprises at least one centralized filtration system having the capacity to filter the complete volume of water within a 24 hours timeframe;
• and for surfaces larger than about 20,000 m2, the water treatment system is arranged and configured to utilize at least 50% less electricity compared to a conventional swimming pool centralized filtration system, wherein the filtration capacity and filtration water volume is at least 50% lower than for a conventional swimming pool filtration system that filters the complete water volume 4 times per day;
• e) a physical barrier surrounding at least a portion of the urban beach entertainment complex, the barrier being arranged and configured to limit individual access to the complex or its centerpiece lagoon;
• an access control system wherein the access control system is arranged and configured to selectively permit entry of individuals into at least a portion of the urban beach entertainment complex;
• and
• at least one ancillary facility located within the complex, selected from the group of commercial, recreational, educational, cultural, residential, and sports facilities in order to allow different events and activities to be held within the complex.